<template>
    <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import echarts from 'echarts';

require('echarts/theme/macarons'); // echarts theme
import { debounce } from '@/utils';

export default {
    props: {
        className: {
            type: String,
            default: 'chart',
        },
        width: {
            type: String,
            default: '100%',
        },
        height: {
            type: String,
            default: '300px',
        },
    },
    data() {
        return {
            chart: null,
        };
    },
    mounted() {
        this.initChart();
        this.__resizeHandler = debounce(() => {
            if (this.chart) {
                this.chart.resize();
            }
        }, 100);
        window.addEventListener('resize', this.__resizeHandler);
    },
    beforeDestroy() {
        if (!this.chart) {
            return;
        }
        window.removeEventListener('resize', this.__resizeHandler);
        this.chart.dispose();
        this.chart = null;
    },
    methods: {
        initChart() {
            this.chart = echarts.init(this.$el, 'macarons');

            this.chart.setOption({
                tooltip: {
                    position: 'top',
                },
                animation: false,
                grid: {
                    height: '50%',
                    y: '10%',
                },
                xAxis: {
                    type: 'category',
                    data: [
                        '12a',
                        '1a',
                        '2a',
                        '3a',
                        '4a',
                        '5a',
                        '6a',
                        '7a',
                        '8a',
                        '9a',
                        '10a',
                        '11a',
                        '12p',
                        '1p',
                        '2p',
                        '3p',
                        '4p',
                        '5p',
                        '6p',
                        '7p',
                        '8p',
                        '9p',
                        '10p',
                        '11p',
                    ],
                    splitArea: {
                        show: true,
                    },
                },
                yAxis: {
                    type: 'category',
                    data: ['Saturday', 'Friday', 'Thursday', 'Wednesday', 'Tuesday', 'Monday', 'Sunday'],
                    splitArea: {
                        show: true,
                    },
                },
                visualMap: {
                    min: 0,
                    max: 10,
                    calculable: true,
                    orient: 'horizontal',
                    left: 'center',
                    bottom: '15%',
                },
                series: [
                    {
                        name: 'Punch Card',
                        type: 'heatmap',
                        data: [
                            [0, 0, 5],
                            [0, 1, 1],
                            [0, 2, 0],
                            [0, 3, 0],
                            [0, 4, 0],
                            [0, 5, 0],
                            [0, 6, 0],
                            [0, 7, 0],
                            [0, 8, 0],
                            [0, 9, 0],
                            [0, 10, 0],
                            [0, 11, 2],
                            [0, 12, 4],
                            [0, 13, 1],
                            [0, 14, 1],
                            [0, 15, 3],
                            [0, 16, 4],
                            [0, 17, 6],
                            [0, 18, 4],
                            [0, 19, 4],
                            [0, 20, 3],
                            [0, 21, 3],
                            [0, 22, 2],
                            [0, 23, 5],
                            [1, 0, 7],
                            [1, 1, 0],
                            [1, 2, 0],
                            [1, 3, 0],
                            [1, 4, 0],
                            [1, 5, 0],
                            [1, 6, 0],
                            [1, 7, 0],
                            [1, 8, 0],
                            [1, 9, 0],
                            [1, 10, 5],
                            [1, 11, 2],
                            [1, 12, 2],
                            [1, 13, 6],
                            [1, 14, 9],
                            [1, 15, 11],
                            [1, 16, 6],
                            [1, 17, 7],
                            [1, 18, 8],
                            [1, 19, 12],
                            [1, 20, 5],
                            [1, 21, 5],
                            [1, 22, 7],
                            [1, 23, 2],
                            [2, 0, 1],
                            [2, 1, 1],
                            [2, 2, 0],
                            [2, 3, 0],
                            [2, 4, 0],
                            [2, 5, 0],
                            [2, 6, 0],
                            [2, 7, 0],
                            [2, 8, 0],
                            [2, 9, 0],
                            [2, 10, 3],
                            [2, 11, 2],
                            [2, 12, 1],
                            [2, 13, 9],
                            [2, 14, 8],
                            [2, 15, 10],
                            [2, 16, 6],
                            [2, 17, 5],
                            [2, 18, 5],
                            [2, 19, 5],
                            [2, 20, 7],
                            [2, 21, 4],
                            [2, 22, 2],
                            [2, 23, 4],
                            [3, 0, 7],
                            [3, 1, 3],
                            [3, 2, 0],
                            [3, 3, 0],
                            [3, 4, 0],
                            [3, 5, 0],
                            [3, 6, 0],
                            [3, 7, 0],
                            [3, 8, 1],
                            [3, 9, 0],
                            [3, 10, 5],
                            [3, 11, 4],
                            [3, 12, 7],
                            [3, 13, 14],
                            [3, 14, 13],
                            [3, 15, 12],
                            [3, 16, 9],
                            [3, 17, 5],
                            [3, 18, 5],
                            [3, 19, 10],
                            [3, 20, 6],
                            [3, 21, 4],
                            [3, 22, 4],
                            [3, 23, 1],
                            [4, 0, 1],
                            [4, 1, 3],
                            [4, 2, 0],
                            [4, 3, 0],
                            [4, 4, 0],
                            [4, 5, 1],
                            [4, 6, 0],
                            [4, 7, 0],
                            [4, 8, 0],
                            [4, 9, 2],
                            [4, 10, 4],
                            [4, 11, 4],
                            [4, 12, 2],
                            [4, 13, 4],
                            [4, 14, 4],
                            [4, 15, 14],
                            [4, 16, 12],
                            [4, 17, 1],
                            [4, 18, 8],
                            [4, 19, 5],
                            [4, 20, 3],
                            [4, 21, 7],
                            [4, 22, 3],
                            [4, 23, 0],
                            [5, 0, 2],
                            [5, 1, 1],
                            [5, 2, 0],
                            [5, 3, 3],
                            [5, 4, 0],
                            [5, 5, 0],
                            [5, 6, 0],
                            [5, 7, 0],
                            [5, 8, 2],
                            [5, 9, 0],
                            [5, 10, 4],
                            [5, 11, 1],
                            [5, 12, 5],
                            [5, 13, 10],
                            [5, 14, 5],
                            [5, 15, 7],
                            [5, 16, 11],
                            [5, 17, 6],
                            [5, 18, 0],
                            [5, 19, 5],
                            [5, 20, 3],
                            [5, 21, 4],
                            [5, 22, 2],
                            [5, 23, 0],
                            [6, 0, 1],
                            [6, 1, 0],
                            [6, 2, 0],
                            [6, 3, 0],
                            [6, 4, 0],
                            [6, 5, 0],
                            [6, 6, 0],
                            [6, 7, 0],
                            [6, 8, 0],
                            [6, 9, 0],
                            [6, 10, 1],
                            [6, 11, 0],
                            [6, 12, 2],
                            [6, 13, 1],
                            [6, 14, 3],
                            [6, 15, 4],
                            [6, 16, 0],
                            [6, 17, 0],
                            [6, 18, 0],
                            [6, 19, 0],
                            [6, 20, 1],
                            [6, 21, 2],
                            [6, 22, 2],
                            [6, 23, 6],
                        ].map(function (item) {
                            return [item[1], item[0], item[2] || '-'];
                        }),
                        label: {
                            normal: {
                                show: true,
                            },
                        },
                        itemStyle: {
                            emphasis: {
                                shadowBlur: 10,
                                shadowColor: 'rgba(0, 0, 0, 0.5)',
                            },
                        },
                    },
                ],
            });
        },
    },
};
</script>
